OKHTTP
https://github.com/square/okhttp
GET请求
OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder()
.url("http://www.baidu.com")
.build();
Response response = client.newCall(request).execute();
String responeseData = response.body().string();
POST请求
//RequestBody专门用来存放待提交的参数
RequestBody requestBody = new FormBody.Builder()
.add("username","admin")
.add("password","123456")
.build();
Request request2 = new Request.Builder()
.url("http://www.baidu.com")
.post(requestBody)
.build();
Response response = client.newCall(request).execute();
String responeseData = response.body().string();